Patent number: 10689315
Abstract: The invention discloses a method for co-operating low-carbon foaming agents, comprising: preheating 1,1,1,3,3-pentachloropropane and hydrogen fluoride and then introducing into a reactor to have a reaction in the presence of a catalyst to obtain a reaction product, and separating and purifying to obtain the following low-carbon foaming agent products: trans-1,3,3,3-tetrafluoropropene, cis-1,3,3,3-tetrafluoropropene, 1,1,1,3,3-pentafluoropropane, trans-1-chloro-3,3,3-trifluoropropene, cis-1-chloro-3,3,3-trifluoropropene. The invention has the advantages of simple process, environmental friendliness, high production efficiency and low cost.
Type:
Grant
Filed:
June 25, 2018
Date of Patent:
June 23, 2020
Assignee:
Zhejiang Quhua Fluor-Chemistry Co Ltd
Inventors:
Jiangyong Hong, Bo Yang, Yang Zhao, Yan Zhang, Huadong Zhou, Hao Ouyang, Haitao Gong, Min Fang